选出下列字形有误的一项:( )
A.稗官野史间不容发开门楫盗
B.千里迢迢牝鸡司晨佶屈聱牙
C.拈轻怕重犯而不校目不暇给
D.杞人忧天浑身解数乳臭未干
答案:A
开门楫盗——开门揖盗
— Have you received any phone calls from your sister?
— Not yet, but we ______ to get in touch with her ever since she left us. [ ]
A. have tried
B. tried
C. are trying
D. have been trying
在填料吸收塔中用纯溶剂吸收某混合气体中的溶质组分。混合气的流量为40kmol~/h,进塔组成为0.025,出塔组成为0.0012(均为摩尔比),操作条件下的气液平衡关系为Y=2.25X,吸收剂的用量为最小用量的1.66倍,则脱吸因数为( )。
A.(B)1.52